Summary Prospectus

June 1, 2018

Wells Fargo Treasury Plus Money Market Fund

Class/Ticker: Class A - PIVXX

Link to Prospectus Link to SAI

Before you invest, you may want to review the Fund's prospectus, which contains more information about the Fund and its risks. You can find the Fund's prospectus and other information about the Fund online at wellsfargofunds.com/reports. You can also get information at no cost by calling 1-800-222-8222, or by sending an email request to fundservice@wellsfargo.com. The current prospectus ("Prospectus") and statement of additional information ("SAI"), dated June 1, 2018, as supplemented from time to time, are incorporated by reference into this summary prospectus. The Fund's SAI may be obtained, free of charge, in the same manner as the Prospectus.

Investment Objective

The Fund seeks current income, while preserving capital and liquidity.

Fees and Expenses

These tables are intended to help you understand the various costs and expenses you will pay if you buy and hold shares of the Fund.

Shareholder Fees (fees paid directly from your investment)
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	None
Maximum deferred sales charge (load) (as a percentage of offering price)	None

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)‌1
	Class A
Management Fees	0.14%
Distribution (12b-1) Fees	0.00%
Other Expenses	0.48%
Total Annual Fund Operating Expenses	0.62%
Fee Waivers	(0.02)%
Total Annual Fund Operating Expenses After Fee Waiver‌2	0.60%

1. Expenses have been adjusted as necessary from amounts incurred during the Fund's most recent fiscal year to reflect current fees and expenses.

2. The Manager has contractually committed through May 31, 2019, to waive fees and/or reimburse expenses to the extent necessary to cap the Fund's Total Annual Fund Operating Expenses After Fee Waivers at the amounts shown above. Brokerage commissions, stamp duty fees, interest, taxes, acquired fund fees and expenses and extraordinary expenses are excluded from the expense cap. After this time, the cap may be increased or the commitment to maintain the cap may be terminated only with the approval of the Board of Trustees.

Example of Expenses

The example below is intended to help you compare the costs of investing in the Fund with the costs of investing in other mutual funds. The example assumes a $10,000 initial investment, 5% annual total return, and that fees and expenses remain the same as in the tables above. To the extent that the Manager is waiving fees or reimbursing expenses, the example assumes that such waiver or reimbursement will only be in place through the date noted above. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

After:
1 Year	$61
3 Years	$197
5 Years	$344
10 Years	$772

Principal Investment Strategies

Under normal circumstances, we invest:

• exclusively in high-quality, short-term, U.S. dollar-denominated money market instruments that consist of U.S. Treasury obligations and repurchase agreements collateralized by U.S. Treasury obligations.

Our security selection is based on several factors, including credit quality, yield and maturity, while taking into account the Fund's overall level of liquidity and weighted average maturity. We will only purchase securities that we have determined present minimal credit risk.

Principal Investment Risks

You could lose money by investing in the Fund. Although the Fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so. An investment in the Fund is not a deposit of Wells Fargo Bank, N.A. or its affiliates and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Fund's sponsor has no legal obligation to provide financial support to the Fund, and you should not expect that the sponsor will provide financial support to the Fund at any time. The Fund is primarily subject to the risks briefly summarized below.

Credit Risk. The issuer or guarantor of a debt security may be unable or perceived to be unable to pay interest or repay principal when they become due, which could cause the value of an investment to decline and a Fund to lose money.

Interest Rate Risk. When interest rates rise, the value of debt securities tends to fall. When interest rates decline, interest that a Fund is able to earn on its investments in debt securities may also decline, but the value of those securities may increase.

Management Risk. Investment decisions, techniques, analyses or models implemented by a Fund's manager or sub-adviser in seeking to achieve the Fund's investment objective may not produce the returns expected, may cause the Fund's shares to lose value or may cause the Fund to underperform other funds with similar investment objectives.

Market Risk. The values of, and/or the income generated by, securities held by a Fund may decline due to general market conditions or other factors, including those directly involving the issuers of such securities. Security markets are volatile and may decline significantly in response to adverse issuer, regulatory, political, or economic developments. Different sectors of the market and different security types may react differently to such developments.

Money Market Fund Risk. The Fund's yield will change based on changes in interest rates and other market conditions. Because the Fund invests in short-term instruments, the Fund's dividend yields are expected to be low when short-term market interest rates are low.

Repurchase Agreement Risk. In the event that the counterparty to a repurchase agreement is unwilling or unable to fulfill its contractual obligations to repurchase the underlying security, a Fund may lose money, suffer delays, or incur costs arising from holding or selling the underlying security.

U.S. Government Obligations Risk. U.S. Government obligations may be adversely impacted by changes in interest rates, and securities issued or guaranteed by U.S. Government agencies or government-sponsored entities may not be backed by the full faith and credit of the U.S. Government.

Performance

The following information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year. Past performance is no guarantee of future results. Current month-end performance is available on the Fund's website at wellsfargofunds.com. To obtain a current 7-day yield for the Fund call toll-free 1-800-222-8222.

Calendar Year Total Returns for Class A as of 12/31 each year

Highest Quarter: 1st Quarter 2008	+0.50%
Lowest Quarter: 1st Quarter 2015	+0.00%
Year-to-date total return as of 3/31/2018 is +0.20%

Average Annual Total Returns for the periods ended 12/31/2017 (returns reflect applicable sales charges)
	Inception Date of Share Class	1 Year	5 Year	10 Year
Class A	7/28/2003	0.32%	0.07%	0.16%

Fund Management

Manager	Sub-Adviser
Wells Fargo Funds Management, LLC	Wells Capital Management Incorporated

Purchase and Sale of Fund Shares

In general, you can buy or sell shares of the Fund online or by mail, phone or wire on any day the New York Stock Exchange is open for regular trading. You also may buy and sell shares through a financial professional.

Minimum Investments	To Buy or Sell Shares
Minimum Initial Investment Regular Accounts: $1,000 IRAs, IRA Rollovers, Roth IRAs: $250 UGMA/UTMA Accounts: $50 Employer Sponsored Retirement Plans: No Minimum Minimum Additional Investment Regular Accounts, IRAs, IRA Rollovers, Roth IRAs: $100 UGMA/UTMA Accounts: $50 Employer Sponsored Retirement Plans: No Minimum	Mail: Wells Fargo Funds P.O. Box 219967 Kansas City, MO 64121-9967 Online: wellsfargofunds.com Phone or Wire: 1-800-222-8222 Contact your financial professional.

Tax Information

Any distributions you receive from the Fund may be taxable as ordinary income or capital gains, except when your investment is in an IRA, 401(k) or other tax advantaged investment plan. However, subsequent withdrawals from such a tax advantaged investment plan may be subject to federal income tax. You should consult your tax adviser about your specific tax situation.

Payments to Intermediaries

If you purchase a Fund through an intermediary, the Fund and its related companies may pay the intermediary for the sale of Fund shares and related services. These payments may create a conflict of interest by influencing the intermediary and your financial professional to recommend the Fund over another investment. Consult your financial professional or visit your intermediary's website for more information.

Link to Prospectus Link to SAI

Summary Prospectus

June 1, 2018

Wells Fargo Treasury Plus Money Market Fund

Class/Ticker: Administrator Class - WTPXX

Link to Prospectus Link to SAI

Before you invest, you may want to review the Fund's prospectus, which contains more information about the Fund and its risks. You can find the Fund's prospectus and other information about the Fund online at wellsfargofunds.com/reports. You can also get information at no cost by calling 1-800-222-8222, or by sending an email request to fundservice@wellsfargo.com. The current prospectus ("Prospectus") and statement of additional information ("SAI"), dated June 1, 2018, as supplemented from time to time, are incorporated by reference into this summary prospectus. The Fund's SAI may be obtained, free of charge, in the same manner as the Prospectus.

Investment Objective

The Fund seeks current income, while preserving capital and liquidity.

Fees and Expenses

These tables are intended to help you understand the various costs and expenses you will pay if you buy and hold shares of the Fund.

Shareholder Fees (fees paid directly from your investment)
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	None
Maximum deferred sales charge (load) (as a percentage of offering price)	None

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Management Fees	0.14%
Distribution (12b-1) Fees	0.00%
Other Expenses	0.21%
Total Annual Fund Operating Expenses	0.35%
Fee Waivers	0.00%
Total Annual Fund Operating Expenses After Fee Waiver‌1	0.35%

1. The Manager has contractually committed through May 31, 2019, to waive fees and/or reimburse expenses to the extent necessary to cap the Fund's Total Annual Fund Operating Expenses After Fee Waivers at the amounts shown above. Brokerage commissions, stamp duty fees, interest, taxes, acquired fund fees and expenses and extraordinary expenses are excluded from the expense cap. After this time, the cap may be increased or the commitment to maintain the cap may be terminated only with the approval of the Board of Trustees.

Example of Expenses

The example below is intended to help you compare the costs of investing in the Fund with the costs of investing in other mutual funds. The example assumes a $10,000 initial investment, 5% annual total return, and that fees and expenses remain the same as in the tables above. To the extent that the Manager is waiving fees or reimbursing expenses, the example assumes that such waiver or reimbursement will only be in place through the date noted above. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

After:
1 Year	$36
3 Years	$113
5 Years	$197
10 Years	$443

Principal Investment Strategies

Under normal circumstances, we invest:

• exclusively in high-quality, short-term, U.S. dollar-denominated money market instruments that consist of U.S. Treasury obligations and repurchase agreements collateralized by U.S. Treasury obligations.

Our security selection is based on several factors, including credit quality, yield and maturity, while taking into account the Fund's overall level of liquidity and weighted average maturity. We will only purchase securities that we have determined present minimal credit risk.

Principal Investment Risks

You could lose money by investing in the Fund. Although the Fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so. An investment in the Fund is not a deposit of Wells Fargo Bank, N.A. or its affiliates and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Fund's sponsor has no legal obligation to provide financial support to the Fund, and you should not expect that the sponsor will provide financial support to the Fund at any time. The Fund is primarily subject to the risks briefly summarized below.

Credit Risk. The issuer or guarantor of a debt security may be unable or perceived to be unable to pay interest or repay principal when they become due, which could cause the value of an investment to decline and a Fund to lose money.

Interest Rate Risk. When interest rates rise, the value of debt securities tends to fall. When interest rates decline, interest that a Fund is able to earn on its investments in debt securities may also decline, but the value of those securities may increase.

Management Risk. Investment decisions, techniques, analyses or models implemented by a Fund's manager or sub-adviser in seeking to achieve the Fund's investment objective may not produce the returns expected, may cause the Fund's shares to lose value or may cause the Fund to underperform other funds with similar investment objectives.

Market Risk. The values of, and/or the income generated by, securities held by a Fund may decline due to general market conditions or other factors, including those directly involving the issuers of such securities. Security markets are volatile and may decline significantly in response to adverse issuer, regulatory, political, or economic developments. Different sectors of the market and different security types may react differently to such developments.

Money Market Fund Risk. The Fund's yield will change based on changes in interest rates and other market conditions. Because the Fund invests in short-term instruments, the Fund's dividend yields are expected to be low when short-term market interest rates are low.

Repurchase Agreement Risk. In the event that the counterparty to a repurchase agreement is unwilling or unable to fulfill its contractual obligations to repurchase the underlying security, a Fund may lose money, suffer delays, or incur costs arising from holding or selling the underlying security.

U.S. Government Obligations Risk. U.S. Government obligations may be adversely impacted by changes in interest rates, and securities issued or guaranteed by U.S. Government agencies or government-sponsored entities may not be backed by the full faith and credit of the U.S. Government.

Performance

The following information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year. Past performance is no guarantee of future results. Current month-end performance is available on the Fund's website at wellsfargofunds.com. To obtain a current 7-day yield for the Fund call toll-free 1-800-222-8222.

Calendar Year Total Returns for Administrator Class as of 12/31 each year‌¹

Highest Quarter: 1st Quarter 2008	+0.57%
Lowest Quarter: 1st Quarter 2015	+0.00%
Year-to-date total return as of 3/31/2018 is +0.27%

Average Annual Total Returns for the periods ended 12/31/2017‌1
	Inception Date of Share Class	1 Year	5 Year	10 Year
Administrator Class	3/31/2008	0.58%	0.13%	0.21%

1. Historical performance shown for the Administrator Class shares prior to their inception reflects the performance of the Institutional Class shares, and is adjusted to reflect the higher expenses applicable to the Administrator Class shares.

Fund Management

Manager	Sub-Adviser
Wells Fargo Funds Management, LLC	Wells Capital Management Incorporated

Purchase and Sale of Fund Shares

Administrator Class shares are generally available through intermediaries for the accounts of their customers and directly to institutional investors and individuals. Institutional investors may include corporations; private banks and trust companies; endowments and foundations; defined contribution, defined benefit and other employer sponsored retirement plans; institutional retirement plan platforms; insurance companies; registered investment advisor firms; bank trusts; 529 college savings plans; family offices; and fund of funds including those managed by Funds Management. In general, you can buy or sell shares of the Fund online or by mail, phone or wire on any day the New York Stock Exchange is open for regular trading. You also may buy and sell shares through a financial professional.

Minimum Investments	To Buy or Sell Shares
Minimum Initial Investment Administrator Class: $1 million (this amount may be reduced or eliminated for certain eligible investors) Minimum Additional Investment Administrator Class: None	Mail: Wells Fargo Funds P.O. Box 219967 Kansas City, MO 64121-9967 Online: wellsfargofunds.com Phone or Wire: 1-800-222-8222 Contact your financial professional.

Tax Information

Any distributions you receive from the Fund may be taxable as ordinary income or capital gains, except when your investment is in an IRA, 401(k) or other tax advantaged investment plan. However, subsequent withdrawals from such a tax advantaged investment plan may be subject to federal income tax. You should consult your tax adviser about your specific tax situation.

Payments to Intermediaries

If you purchase a Fund through an intermediary, the Fund and its related companies may pay the intermediary for the sale of Fund shares and related services. These payments may create a conflict of interest by influencing the intermediary and your financial professional to recommend the Fund over another investment. Consult your financial professional or visit your intermediary's website for more information.

Link to Prospectus Link to SAI

Summary Prospectus

June 1, 2018

Wells Fargo Treasury Plus Money Market Fund

Class/Ticker: Institutional Class - PISXX

Link to Prospectus Link to SAI

Before you invest, you may want to review the Fund's prospectus, which contains more information about the Fund and its risks. You can find the Fund's prospectus and other information about the Fund online at wellsfargofunds.com/reports. You can also get information at no cost by calling 1-800-222-8222, or by sending an email request to fundservice@wellsfargo.com. The current prospectus ("Prospectus") and statement of additional information ("SAI"), dated June 1, 2018, as supplemented from time to time, are incorporated by reference into this summary prospectus. The Fund's SAI may be obtained, free of charge, in the same manner as the Prospectus.

Investment Objective

The Fund seeks current income, while preserving capital and liquidity.

Fees and Expenses

These tables are intended to help you understand the various costs and expenses you will pay if you buy and hold shares of the Fund.

Shareholder Fees (fees paid directly from your investment)
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	None
Maximum deferred sales charge (load) (as a percentage of offering price)	None

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Management Fees	0.14%
Distribution (12b-1) Fees	0.00%
Other Expenses	0.09%
Total Annual Fund Operating Expenses	0.23%
Fee Waivers	(0.03)%
Total Annual Fund Operating Expenses After Fee Waiver‌1	0.20%

1. The Manager has contractually committed through May 31, 2019, to waive fees and/or reimburse expenses to the extent necessary to cap the Fund's Total Annual Fund Operating Expenses After Fee Waivers at the amounts shown above. Brokerage commissions, stamp duty fees, interest, taxes, acquired fund fees and expenses and extraordinary expenses are excluded from the expense cap. After this time, the cap may be increased or the commitment to maintain the cap may be terminated only with the approval of the Board of Trustees.

Example of Expenses

The example below is intended to help you compare the costs of investing in the Fund with the costs of investing in other mutual funds. The example assumes a $10,000 initial investment, 5% annual total return, and that fees and expenses remain the same as in the tables above. To the extent that the Manager is waiving fees or reimbursing expenses, the example assumes that such waiver or reimbursement will only be in place through the date noted above. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

After:
1 Year	$20
3 Years	$71
5 Years	$126
10 Years	$290

Principal Investment Strategies

Under normal circumstances, we invest:

• exclusively in high-quality, short-term, U.S. dollar-denominated money market instruments that consist of U.S. Treasury obligations and repurchase agreements collateralized by U.S. Treasury obligations.

Our security selection is based on several factors, including credit quality, yield and maturity, while taking into account the Fund's overall level of liquidity and weighted average maturity. We will only purchase securities that we have determined present minimal credit risk.

Principal Investment Risks

You could lose money by investing in the Fund. Although the Fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so. An investment in the Fund is not a deposit of Wells Fargo Bank, N.A. or its affiliates and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Fund's sponsor has no legal obligation to provide financial support to the Fund, and you should not expect that the sponsor will provide financial support to the Fund at any time. The Fund is primarily subject to the risks briefly summarized below.

Credit Risk. The issuer or guarantor of a debt security may be unable or perceived to be unable to pay interest or repay principal when they become due, which could cause the value of an investment to decline and a Fund to lose money.

Interest Rate Risk. When interest rates rise, the value of debt securities tends to fall. When interest rates decline, interest that a Fund is able to earn on its investments in debt securities may also decline, but the value of those securities may increase.

Management Risk. Investment decisions, techniques, analyses or models implemented by a Fund's manager or sub-adviser in seeking to achieve the Fund's investment objective may not produce the returns expected, may cause the Fund's shares to lose value or may cause the Fund to underperform other funds with similar investment objectives.

Market Risk. The values of, and/or the income generated by, securities held by a Fund may decline due to general market conditions or other factors, including those directly involving the issuers of such securities. Security markets are volatile and may decline significantly in response to adverse issuer, regulatory, political, or economic developments. Different sectors of the market and different security types may react differently to such developments.

Money Market Fund Risk. The Fund's yield will change based on changes in interest rates and other market conditions. Because the Fund invests in short-term instruments, the Fund's dividend yields are expected to be low when short-term market interest rates are low.

Repurchase Agreement Risk. In the event that the counterparty to a repurchase agreement is unwilling or unable to fulfill its contractual obligations to repurchase the underlying security, a Fund may lose money, suffer delays, or incur costs arising from holding or selling the underlying security.

U.S. Government Obligations Risk. U.S. Government obligations may be adversely impacted by changes in interest rates, and securities issued or guaranteed by U.S. Government agencies or government-sponsored entities may not be backed by the full faith and credit of the U.S. Government.

Performance

The following information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year. Past performance is no guarantee of future results. Current month-end performance is available on the Fund's website at wellsfargofunds.com. To obtain a current 7-day yield for the Fund call toll-free 1-800-222-8222.

Calendar Year Total Returns for Institutional Class as of 12/31 each year

Highest Quarter: 1st Quarter 2008	+0.61%
Lowest Quarter: 1st Quarter 2015	+0.00%
Year-to-date total return as of 3/31/2018 is +0.30%

Average Annual Total Returns for the periods ended 12/31/2017
	Inception Date of Share Class	1 Year	5 Year	10 Year
Institutional Class	8/11/1995	0.73%	0.19%	0.25%

Fund Management

Manager	Sub-Adviser
Wells Fargo Funds Management, LLC	Wells Capital Management Incorporated

Purchase and Sale of Fund Shares

Institutional Class shares are generally available through intermediaries for the accounts of their customers and directly to institutional investors and individuals. Institutional investors may include corporations; private banks and trust companies; endowments and foundations; defined contribution, defined benefit and other employer sponsored retirement plans; institutional retirement plan platforms; insurance companies; registered investment advisor firms; bank trusts; 529 college savings plans; family offices; and fund of funds including those managed by Funds Management. In general, you can buy or sell shares of the Fund online or by mail, phone or wire on any day the New York Stock Exchange is open for regular trading. You also may buy and sell shares through a financial professional.

Minimum Investments	To Buy or Sell Shares
Minimum Initial Investment Institutional Class: $10 million (certain eligible investors may not be subject to a minimum initial investment) Minimum Additional Investment Institutional Class: None	Mail: Wells Fargo Funds P.O. Box 219967 Kansas City, MO 64121-9967 Online: wellsfargofunds.com Phone or Wire: 1-800-222-8222 Contact your investment representative.

Tax Information

Any distributions you receive from the Fund may be taxable as ordinary income or capital gains, except when your investment is in an IRA, 401(k) or other tax advantaged investment plan. However, subsequent withdrawals from such a tax advantaged investment plan may be subject to federal income tax. You should consult your tax adviser about your specific tax situation.

Payments to Intermediaries

If you purchase a Fund through an intermediary, the Fund and its related companies may pay the intermediary for the sale of Fund shares and related services. These payments may create a conflict of interest by influencing the intermediary and your financial professional to recommend the Fund over another investment. Consult your financial professional or visit your intermediary's website for more information.

Link to Prospectus Link to SAI

Summary Prospectus

June 1, 2018

Wells Fargo Treasury Plus Money Market Fund

Class/Ticker: Service Class - PRVXX

Link to Prospectus Link to SAI

Before you invest, you may want to review the Fund's prospectus, which contains more information about the Fund and its risks. You can find the Fund's prospectus and other information about the Fund online at wellsfargofunds.com/reports. You can also get information at no cost by calling 1-800-222-8222, or by sending an email request to fundservice@wellsfargo.com. The current prospectus ("Prospectus") and statement of additional information ("SAI"), dated June 1, 2018, as supplemented from time to time, are incorporated by reference into this summary prospectus. The Fund's SAI may be obtained, free of charge, in the same manner as the Prospectus.

Investment Objective

The Fund seeks current income, while preserving capital and liquidity.

Fees and Expenses

These tables are intended to help you understand the various costs and expenses you will pay if you buy and hold shares of the Fund.

Shareholder Fees (fees paid directly from your investment)
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	None
Maximum deferred sales charge (load) (as a percentage of offering price)	None

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Management Fees	0.14%
Distribution (12b-1) Fees	0.00%
Other Expenses	0.38%
Total Annual Fund Operating Expenses	0.52%
Fee Waivers	(0.07)%
Total Annual Fund Operating Expenses After Fee Waiver‌1	0.45%

1. The Manager has contractually committed through May 31, 2019, to waive fees and/or reimburse expenses to the extent necessary to cap the Fund's Total Annual Fund Operating Expenses After Fee Waivers at the amounts shown above. Brokerage commissions, stamp duty fees, interest, taxes, acquired fund fees and expenses and extraordinary expenses are excluded from the expense cap. After this time, the cap may be increased or the commitment to maintain the cap may be terminated only with the approval of the Board of Trustees.

Example of Expenses

The example below is intended to help you compare the costs of investing in the Fund with the costs of investing in other mutual funds. The example assumes a $10,000 initial investment, 5% annual total return, and that fees and expenses remain the same as in the tables above. To the extent that the Manager is waiving fees or reimbursing expenses, the example assumes that such waiver or reimbursement will only be in place through the date noted above. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

After:
1 Year	$46
3 Years	$160
5 Years	$284
10 Years	$646

Principal Investment Strategies

Under normal circumstances, we invest:

• exclusively in high-quality, short-term, U.S. dollar-denominated money market instruments that consist of U.S. Treasury obligations and repurchase agreements collateralized by U.S. Treasury obligations.

Our security selection is based on several factors, including credit quality, yield and maturity, while taking into account the Fund's overall level of liquidity and weighted average maturity. We will only purchase securities that we have determined present minimal credit risk.

Principal Investment Risks

You could lose money by investing in the Fund. Although the Fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so. An investment in the Fund is not a deposit of Wells Fargo Bank, N.A. or its affiliates and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Fund's sponsor has no legal obligation to provide financial support to the Fund, and you should not expect that the sponsor will provide financial support to the Fund at any time. The Fund is primarily subject to the risks briefly summarized below.

Credit Risk. The issuer or guarantor of a debt security may be unable or perceived to be unable to pay interest or repay principal when they become due, which could cause the value of an investment to decline and a Fund to lose money.

Interest Rate Risk. When interest rates rise, the value of debt securities tends to fall. When interest rates decline, interest that a Fund is able to earn on its investments in debt securities may also decline, but the value of those securities may increase.

Management Risk. Investment decisions, techniques, analyses or models implemented by a Fund's manager or sub-adviser in seeking to achieve the Fund's investment objective may not produce the returns expected, may cause the Fund's shares to lose value or may cause the Fund to underperform other funds with similar investment objectives.

Market Risk. The values of, and/or the income generated by, securities held by a Fund may decline due to general market conditions or other factors, including those directly involving the issuers of such securities. Security markets are volatile and may decline significantly in response to adverse issuer, regulatory, political, or economic developments. Different sectors of the market and different security types may react differently to such developments.

Money Market Fund Risk. The Fund's yield will change based on changes in interest rates and other market conditions. Because the Fund invests in short-term instruments, the Fund's dividend yields are expected to be low when short-term market interest rates are low.

Repurchase Agreement Risk. In the event that the counterparty to a repurchase agreement is unwilling or unable to fulfill its contractual obligations to repurchase the underlying security, a Fund may lose money, suffer delays, or incur costs arising from holding or selling the underlying security.

U.S. Government Obligations Risk. U.S. Government obligations may be adversely impacted by changes in interest rates, and securities issued or guaranteed by U.S. Government agencies or government-sponsored entities may not be backed by the full faith and credit of the U.S. Government.

Performance

The following information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year. Past performance is no guarantee of future results. Current month-end performance is available on the Fund's website at wellsfargofunds.com. To obtain a current 7-day yield for the Fund call toll-free 1-800-222-8222.

Calendar Year Total Returns for Service Class as of 12/31 each year

Highest Quarter: 1st Quarter 2008	+0.53%
Lowest Quarter: 1st Quarter 2015	+0.00%
Year-to-date total return as of 3/31/2018 is +0.24%

Average Annual Total Returns for the periods ended 12/31/2017
	Inception Date of Share Class	1 Year	5 Year	10 Year
Service Class	10/1/1985	0.47%	0.10%	0.19%

Fund Management

Manager	Sub-Adviser
Wells Fargo Funds Management, LLC	Wells Capital Management Incorporated

Purchase and Sale of Fund Shares

In general, you can buy or sell shares of the Fund online or by mail, phone or wire on any day the New York Stock Exchange is open for regular trading. You also may buy and sell shares through a financial professional.

Minimum Investments	To Buy or Sell Shares
Minimum Initial Investment Service Class: $100,000 Minimum Additional Investment Service Class: No Minimum	Mail: Wells Fargo Funds P.O. Box 219967 Kansas City, MO 64121-9967 Online: wellsfargofunds.com Phone or Wire: 1-800-222-8222 Contact your financial professional.

Tax Information

Any distributions you receive from the Fund may be taxable as ordinary income or capital gains, except when your investment is in an IRA, 401(k) or other tax advantaged investment plan. However, subsequent withdrawals from such a tax advantaged investment plan may be subject to federal income tax. You should consult your tax adviser about your specific tax situation.

Payments to Intermediaries

If you purchase a Fund through an intermediary, the Fund and its related companies may pay the intermediary for the sale of Fund shares and related services. These payments may create a conflict of interest by influencing the intermediary and your financial professional to recommend the Fund over another investment. Consult your financial professional or visit your intermediary's website for more information.

Link to Prospectus Link to SAI

Summary Prospectus

June 1, 2018

Wells Fargo Treasury Plus Money Market Fund

Class/Ticker: Sweep Class - N/A

Link to Prospectus Link to SAI

Before you invest, you may want to review the Fund's prospectus, which contains more information about the Fund and its risks. You can find the Fund's prospectus and other information about the Fund online at wellsfargofunds.com/reports. You can also get information at no cost by calling 1-800-222-8222, or by sending an email request to fundservice@wellsfargo.com. The current prospectus ("Prospectus") and statement of additional information ("SAI"), dated June 1, 2018, as supplemented from time to time, are incorporated by reference into this summary prospectus. The Fund's SAI may be obtained, free of charge, in the same manner as the Prospectus.

Investment Objective

The Fund seeks current income, while preserving capital and liquidity.

Fees and Expenses

These tables are intended to help you understand the various costs and expenses you will pay if you buy and hold shares of the Fund.

Shareholder Fees (fees paid directly from your investment)
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	None
Maximum deferred sales charge (load) (as a percentage of offering price)	None

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)‌1
Management Fees	0.14%
Distribution (12b-1) Fees	0.35%
Other Expenses	0.29%
Total Annual Fund Operating Expenses	0.78%
Fee Waivers	0.00%
Total Annual Fund Operating Expenses After Fee Waiver‌2	0.78%

1. Expenses have been adjusted as necessary from amounts incurred during the Fund's most recent fiscal year to reflect current fees and expenses.

2. The Manager has contractually committed through May 31, 2019, to waive fees and/or reimburse expenses to the extent necessary to cap the Fund's Total Annual Fund Operating Expenses After Fee Waivers at 0.83% for Sweep Class. Brokerage commissions, stamp duty fees, interest, taxes, acquired fund fees and expenses and extraordinary expenses are excluded from the expense cap. After this time, the cap may be increased or the commitment to maintain the cap may be terminated only with the approval of the Board of Trustees.

Example of Expenses

The example below is intended to help you compare the costs of investing in the Fund with the costs of investing in other mutual funds. The example assumes a $10,000 initial investment, 5% annual total return, and that fees and expenses remain the same as in the tables above. To the extent that the Manager is waiving fees or reimbursing expenses, the example assumes that such waiver or reimbursement will only be in place through the date noted above. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

After:
1 Year	$80
3 Years	$249
5 Years	$433
10 Years	$966

Principal Investment Strategies

Under normal circumstances, we invest:

• exclusively in high-quality, short-term, U.S. dollar-denominated money market instruments that consist of U.S. Treasury obligations and repurchase agreements collateralized by U.S. Treasury obligations.

Our security selection is based on several factors, including credit quality, yield and maturity, while taking into account the Fund's overall level of liquidity and weighted average maturity. We will only purchase securities that we have determined present minimal credit risk.

Principal Investment Risks

You could lose money by investing in the Fund. Although the Fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so. An investment in the Fund is not a deposit of Wells Fargo Bank, N.A. or its affiliates and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Fund's sponsor has no legal obligation to provide financial support to the Fund, and you should not expect that the sponsor will provide financial support to the Fund at any time. The Fund is primarily subject to the risks briefly summarized below.

Credit Risk. The issuer or guarantor of a debt security may be unable or perceived to be unable to pay interest or repay principal when they become due, which could cause the value of an investment to decline and a Fund to lose money.

Interest Rate Risk. When interest rates rise, the value of debt securities tends to fall. When interest rates decline, interest that a Fund is able to earn on its investments in debt securities may also decline, but the value of those securities may increase.

Management Risk. Investment decisions, techniques, analyses or models implemented by a Fund's manager or sub-adviser in seeking to achieve the Fund's investment objective may not produce the returns expected, may cause the Fund's shares to lose value or may cause the Fund to underperform other funds with similar investment objectives.

Market Risk. The values of, and/or the income generated by, securities held by a Fund may decline due to general market conditions or other factors, including those directly involving the issuers of such securities. Security markets are volatile and may decline significantly in response to adverse issuer, regulatory, political, or economic developments. Different sectors of the market and different security types may react differently to such developments.

Money Market Fund Risk. The Fund's yield will change based on changes in interest rates and other market conditions. Because the Fund invests in short-term instruments, the Fund's dividend yields are expected to be low when short-term market interest rates are low.

Repurchase Agreement Risk. In the event that the counterparty to a repurchase agreement is unwilling or unable to fulfill its contractual obligations to repurchase the underlying security, a Fund may lose money, suffer delays, or incur costs arising from holding or selling the underlying security.

U.S. Government Obligations Risk. U.S. Government obligations may be adversely impacted by changes in interest rates, and securities issued or guaranteed by U.S. Government agencies or government-sponsored entities may not be backed by the full faith and credit of the U.S. Government.

Performance

The following information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year. Past performance is no guarantee of future results. Current month-end performance is available on the Fund's website at wellsfargofunds.com. To obtain a current 7-day yield for the Fund call toll-free 1-800-222-8222.

Calendar Year Total Returns for Sweep Class as of 12/31 each year‌¹

Highest Quarter: 1st Quarter 2008	+0.50%
Lowest Quarter: 3rd Quarter 2010	+0.00%
Year-to-date total return as of 3/31/2018 is +0.16%

Average Annual Total Returns for the periods ended 12/31/2017‌1
	Inception Date of Share Class	1 Year	5 Year	10 Year
Sweep Class	6/30/2010	0.19%	0.05%	0.15%

1. Historical performance shown for the Sweep Class shares prior to their inception reflects the performance of the Class A shares, and has not been adjusted to include the higher expenses applicable to the Sweep Class shares. If these expenses had been included, returns would be lower.

Fund Management

Manager	Sub-Adviser
Wells Fargo Funds Management, LLC	Wells Capital Management Incorporated

Purchase and Sale of Fund Shares

You can buy Sweep Class shares exclusively through an intermediary who has entered into an agreement with us to make investments in the Fund on your behalf. Share purchases are made through your customer account with an intermediary and are governed in accordance with the terms of the customer account. Intermediaries automatically invest or "sweep" balances in your customer account into Sweep Class shares. Please contact your intermediary for more information.

Minimum Investments	To Buy or Sell Shares
Fund shares have no minimum initial or subsequent purchase requirements.	Contact your intermediary.

Tax Information

Any distributions you receive from the Fund may be taxable as ordinary income or capital gains, except when your investment is in an IRA, 401(k) or other tax advantaged investment plan. However, subsequent withdrawals from such a tax advantaged investment plan may be subject to federal income tax. You should consult your tax adviser about your specific tax situation.

Payments to Intermediaries

If you purchase a Fund through an intermediary, the Fund and its related companies may pay the intermediary for the sale of Fund shares and related services. These payments may create a conflict of interest by influencing the intermediary and your financial professional to recommend the Fund over another investment. Consult your financial professional or visit your intermediary's website for more information.

Link to Prospectus Link to SAI